harfbuzz/test/fuzzing/run-shape-fuzzer-tests.py

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#!/usr/bin/env python
from __future__ import print_function, division, absolute_import
import sys, os, subprocess, tempfile, threading
def cmd(command):
# https://stackoverflow.com/a/4408409
# https://stackoverflow.com/a/10012262
with tempfile.TemporaryFile() as tempf:
p = subprocess.Popen (command, stderr=tempf)
is_killed = {'value': False}
def timeout(p, is_killed):
is_killed['value'] = True
p.kill()
timer = threading.Timer (2, timeout, [p, is_killed])
try:
timer.start()
p.wait ()
tempf.seek (0)
text = tempf.read().decode ("utf-8").strip ()
returncode = p.returncode
finally:
timer.cancel()
if is_killed['value']:
text = 'error: timeout, ' + text
returncode = 1
return text, returncode
srcdir = os.environ.get ("srcdir", ".")
EXEEXT = os.environ.get ("EXEEXT", "")
top_builddir = os.environ.get ("top_builddir", ".")
hb_shape_fuzzer = os.path.join (top_builddir, "hb-shape-fuzzer" + EXEEXT)
if not os.path.exists (hb_shape_fuzzer):
if len (sys.argv) == 1 or not os.path.exists (sys.argv[1]):
print ("""Failed to find hb-shape-fuzzer binary automatically,
please provide it as the first argument to the tool""")
sys.exit (1)
hb_shape_fuzzer = sys.argv[1]
print ('hb_shape_fuzzer:', hb_shape_fuzzer)
fails = 0
parent_path = os.path.join (srcdir, "fonts")
for file in os.listdir (parent_path):
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path = os.path.join(parent_path, file)
text, returncode = cmd ([hb_shape_fuzzer, path])
print (text)
if returncode != 0 or 'error' in text:
print ('failure on %s' % file)
fails = fails + 1
if fails:
print ("%i shape fuzzer related tests failed." % fails)
sys.exit (1)